Please do the one circled

Thanks in advance !

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c